... drawing 6. Professional service 7. Process: sand process casting 8. Application: pump parts 9. Surface treatment: Polishing, machining, ... lathe, all types of lathe.7.Surface finish processpolishing, sand blasting, heat treatment, painting, powder coating, anodizing, electroplating ... mirror polishing.8.ServiceOEM service available9.Productcasting copper alloy pump and valve parts (unit weight ≥1kg)10. ...